This is good news..a top engine issue is certainly much better than mid or bottom engine issue. Not sure what you mean though when you say they sent cylinder #8 to be cleaned?

Did they remove the whole block?..Do you know if the cylinder was scored and needed to be remachined? Or was it just cleaned to remove oil contaminants and deposits? I would ask for more detail on this

Otherwise everything they did seems to make sense and they did service almost all the bank #2 cylinders for good measure.

Sorry for the confusion. Yes they sent the entire block to have it checked for leaks and also cleaned. SM did not tell me anything about the cylinder being scored but I will definitely have to ask him about that.